Park Hyerin - A happy go lucky girl who in her last year at Medical University. Live with her mother and a little brother after her father die. Has a cheerful side, a little boyish and friendly. Kim Taehyung - A guy who have an opposite personality with Hyerin. Cold-hearted with sudden hot-temper. Someone crazy for the time being. Rich and live with his little sister meanwhile their parents was stay abroad. A doctor at his family hospital. Destiny meet Hyerin and Taehyung when Hyerin decide to work as a maid in Taehyung house. It's a terrible at first when Hyerin need to face a bipolar type guy in the house. To face him, she just need to be as strong as Hulk or Thor's hammer. Fortunately, Hyun Min, Taehyung's little sister is there to decrease the burden. As the time goes, Hyerin start to falling in love with Taehyung but unfortunately, Taehyung meet his ex-girlfriend who dumped him half a year ago and they're get back together. It's hurt but Hyerin need to cope that without anyone knows. The question is either Hyerin can really keep her feeling forever or not. And, did Taehyung doesn't ever have the same feeling as Hyerin? Read to find the answer. P/S: Plagiarism is absolutely RESTRICTED. 100% is mine with some help of Mr Google with the matter relating facts.